1. Preparation before the number of function points
a. First, the number of which features? [Range] layer. For example: login, search, delete ...; the application layer, the driver layer; A, B, C subsystem
b. Who, equipment, and other software to interact with me? [User Function]
c. Detailed requirements to what extent? [Granularity level
2.COSMIC thing to do phase measurement methods
a. determining the metric object
b. Determine the range to be a measure of the software, the user identification function, the user needs to determine a measure of the particle size to be software function
3.